Logged on with a Temporary Profile on Windows 7

Today, I faced this weird scenario on my laptop running Windows 7 RC (7100). When I logged in with my credentials, I did not find any files on the desktop and none of the startup processes like Google Talk, Windows Live messenger started. On waiting for a while, I got this message pop-up from the system tray.

When I logged off and relogged in, I find all my desktop files intact, start-up processes were functionining and best part was that, it never showed any significance of a major error.

On looking through the eventvwr, I could see these series of events,

Windows was unable to load the registry. This problem is often caused by insufficient memory or insufficient security rights. DETAIL – The process cannot access the file because it is being used by another process. for C:\Users\Vj\ntuser.dat
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Windows cannot load the locally stored profile. Possible causes of this error include insufficient security rights or a corrupt local profile.
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Windows has backed up this user profile. Windows will automatically try to use the backup profile the next time this user logs on
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Windows cannot find the local profile and is logging you on with a temporary profile. Changes you make to this profile will be lost when you log off.

Well, I am still not able to figure out why my profile was not able to load itself. However, It’s an excellent concept to make a user work though, his profile is corrupted / Un-Available.